admin_header_callback = $admin_header_callback; $this->admin_image_div_callback = $admin_image_div_callback; } /** * Set up the hooks for the Custom Header admin page. * * @since 2.1.0 */ function init() { if ( ! current_user_can('edit_theme_options') ) return; $this->page = $page = add_theme_page(__('Header'), __('Header'), 'edit_theme_options', 'custom-header', array(&$this, 'admin_page')); add_action("admin_print_scripts-$page", array(&$this, 'js_includes')); add_action("admin_print_styles-$page", array(&$this, 'css_includes')); add_action("admin_head-$page", array(&$this, 'help') ); add_action("admin_head-$page", array(&$this, 'take_action'), 50); add_action("admin_head-$page", array(&$this, 'js'), 50); add_action("admin_head-$page", $this->admin_header_callback, 51); } /** * Adds contextual help. * * @since 3.0.0 */ function help() { add_contextual_help( $this->page, '
' . __( 'You can set a custom image header for your site. Simply upload the image and crop it, and the new header will go live immediately. ' ) . '
' . '' . __( 'If you want to discard your custom header and go back to the default included in your theme, click on the buttons to remove the custom image and restore the original header image. ' ) . '
' . '' . __( 'Some themes comes with additional header images bundled. If you see multiple images displayed, select the one you’d like and click the Save Changes button. ' ) . '
' . '' . __( 'For more information:' ) . '
' . '' . __( 'Documentation' ) . '
' . '' . __( 'Support Forums' ) . '
' ); } /** * Get the current step. * * @since 2.6.0 * * @return int Current step */ function step() { if ( ! isset( $_GET['step'] ) ) return 1; $step = (int) $_GET['step']; if ( $step < 1 || 3 < $step ) $step = 1; return $step; } /** * Set up the enqueue for the JavaScript files. * * @since 2.1.0 */ function js_includes() { $step = $this->step(); if ( ( 1 == $step || 3 == $step ) && $this->header_text() ) wp_enqueue_script('farbtastic'); elseif ( 2 == $step ) wp_enqueue_script('imgareaselect'); } /** * Set up the enqueue for the CSS files * * @since 2.7 */ function css_includes() { $step = $this->step(); if ( ( 1 == $step || 3 == $step ) && $this->header_text() ) wp_enqueue_style('farbtastic'); elseif ( 2 == $step ) wp_enqueue_style('imgareaselect'); } /** * Check if header text is allowed * * @since 3.0.0 */ function header_text() { if ( defined( 'NO_HEADER_TEXT' ) && NO_HEADER_TEXT ) return false; return true; } /** * Execute custom header modification. * * @since 2.6.0 */ function take_action() { if ( ! current_user_can('edit_theme_options') ) return; if ( empty( $_POST ) ) return; $this->updated = true; if ( isset( $_POST['resetheader'] ) ) { check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); remove_theme_mod( 'header_image' ); return; } if ( isset( $_POST['resettext'] ) ) { check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); remove_theme_mod('header_textcolor'); return; } if ( isset( $_POST['removeheader'] ) ) { check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); set_theme_mod( 'header_image', '' ); return; } if ( isset( $_POST['text-color'] ) ) { check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); $_POST['text-color'] = str_replace( '#', '', $_POST['text-color'] ); if ( 'blank' == $_POST['text-color'] ) { set_theme_mod( 'header_textcolor', 'blank' ); } else { $color = preg_replace('/[^0-9a-fA-F]/', '', $_POST['text-color']); if ( strlen($color) == 6 || strlen($color) == 3 ) set_theme_mod('header_textcolor', $color); } } if ( isset($_POST['default-header']) ) { check_admin_referer( 'custom-header-options', '_wpnonce-custom-header-options' ); $this->process_default_headers(); if ( isset($this->default_headers[$_POST['default-header']]) ) set_theme_mod('header_image', esc_url($this->default_headers[$_POST['default-header']]['url'])); } } /** * Process the default headers * * @since 3.0.0 */ function process_default_headers() { global $_wp_default_headers; if ( !empty($this->headers) ) return; if ( !isset($_wp_default_headers) ) return; $this->default_headers = $_wp_default_headers; foreach ( array_keys($this->default_headers) as $header ) { $this->default_headers[$header]['url'] = sprintf( $this->default_headers[$header]['url'], get_template_directory_uri(), get_stylesheet_directory_uri() ); $this->default_headers[$header]['thumbnail_url'] = sprintf( $this->default_headers[$header]['thumbnail_url'], get_template_directory_uri(), get_stylesheet_directory_uri() ); } } /** * Display UI for selecting one of several default headers. * * @since 3.0.0 */ function show_default_header_selector() { echo 'Visit your site to see how it looks.' ), home_url( '/' ) ); ?>
admin_image_div_callback ) {
call_user_func( $this->admin_image_div_callback );
} else {
?>
header_text() )
$style = ' style="display:none;"';
else
$style = ' style="color:#' . get_theme_mod( 'header_textcolor', HEADER_TEXTCOLOR ) . ';"';
?>
onclick="return false;" href="">>
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